TLS Online TPP Program

#Question id: 6949


During gastrulation in Xenopus, the future mesoderm and endoderm move inside the embryo through the "blastopore"; in contrast, in chickens, gastrulation involves cells moving inward through the:

#I Life Science/ Life Sciences Group – I-V
  1. blastoderm
  2. yolk
  3. cleavage furrow
  4. primitive streak